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READ & SAVE THESE INSTRUCTIONS! INSTALLATION INSTRUCTIONS
Ventilation Fan
with Fluorescent Light
MODEL: 8663RFT
Suitable for use in shower or tub enclosure when used with GFI protected branch circuit.
Suitable for use in insulated ceilings.
WARNING: To reduce the risk of fire or electrical shock, do not use this fan with any
IMPORTANT SAFETY INSTRUCTIONS
WARNING
A. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer.
B. Before servicing or cleaning unit, switch power off at Service Panel and lock Service Panel to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fas- ten a prominent warning device, such as a tag, to the service panel. CAUTION:
For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
INSTALLATION INSTRUCTIONS
WARNING
A. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and standards, including
B. Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent back drafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National Fire Protection Association (NFPA),
and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities.
C. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
D. Ducted fans must always be vented to the outdoors.
E. If this unit is to be installed over a tub or shower, it must be marked as appropriate for the application.
F. NEVER place a switch where it can be reached from a tub or shower. G. For installation in sloped ceilings up to 12/12 pitch.
H. Ductwork must point up.
FOR BEST RESULTS
When installing the Exhaust Fan/Light in a new construction site, install housing during the rough‑in construction of the building. The blower unit, reflector and grille should be installed after the finished ceiling is in place.
Refer to instructions on page 3 to install the Exhaust Fan/Light in an exist- ing finished building.
PLANNING DUCTWORK AND WIRING
1. Use 4” round duct.
2. Plan duct run from discharge opening of fan to the outside. For best fan performance, make duct run as short as possible and use minimum num- ber of elbows.
3. Use optional NuTone ducting accessories as needed.
| Duct |
Hanger Bars | Collar |
| |
| Wiring |
| Knockouts |
| Housing |
Slots | Scroll |
| |
| Power/Blower |
Tabs | Unit |
| |
| Reflector |
| Assembly |
| Acorn Nut |
| Mounting |
| Springs (2) |
| Grille/Lens |
| Assembly |
| FIGURE 1 |
IMPORTANT: Use wire suitable for 90°C.
Plan to run 120vAC house wiring (with ground) from power source, through wall switches, to junction box in fan. For separate control of fan and light, two wall switches are required. See NuTone Catalog for accessory switches.
INSTALLATION IN A NEW
CONSTRUCTION SITE
PREPARATION
1. Refer to Figure 1. Remove power unit/blower assembly from housing. A. Unplug power unit.
B. Remove screw (located next to plug‑in receptacle) which holds power/ blower unit mounting plate in place. Save screw.
C. Lift mounting plate at end near the plug‑in receptacle until blower wheel clears the scroll.
D. Remove plate by pulling its tabs out of slots in housing. Set power/ blower unit aside until needed.
2. Remove one of the wiring knockouts from housing.
